Nystølvågen

Site 24495 · Bjørnafjorden municipality · Production area 3, Karmøy til Sotra

Below the lice limit, week 39Operated by AS Bolaks

Broodstock site: the limit may differ from the general one.

0.08Adult female lice per fishLimit 0.50 · below the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 37 weeks with a count · broodstock: limit may differCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

1Lice treatments in 2026Latest: Medicinal bath, week 21, 20262026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Active disease casesNone recordedRegister since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026

6Wellboat visits in 2026by 1 vessel · latest 20 May 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

0Escapes reportedNone reportedSince 2006 · Directorate of Fisheries · updated 01 Oct 2026

Sea lice against the limit

Weekly average of adult female lice per fish, as reported by the company. For this site the limit is 0.2 in weeks 16–21 and 0.5 for the rest of the year. Hatched weeks have no count and count neither as above nor below. Broodstock site: the limit may differ from the general one.

2026

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026Broodstock site: the limit may differ from the general one.

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Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	unknown	0.5	Not reported
2	unknown	0.5	Not reported
3	0.10	0.5	Below the limit
4	0.20	0.5	Below the limit
5	0.03	0.5	Below the limit
6	0.04	0.5	Below the limit
7	0.04	0.5	Below the limit
8	0.05	0.5	Below the limit
9	0.06	0.5	Below the limit
10	0.08	0.5	Below the limit
11	0.07	0.5	Below the limit
12	0.07	0.5	Below the limit
13	0.05	0.5	Below the limit
14	0.06	0.5	Below the limit
15	0.06	0.5	Below the limit
16	0.05	0.2	Below the limit
17	0.02	0.2	Below the limit
18	0.05	0.2	Below the limit
19	0.06	0.2	Below the limit
20	0.10	0.2	Below the limit
21	0.00	0.2	Below the limit
22	0.02	0.5	Below the limit
23	0.02	0.5	Below the limit
24	0.04	0.5	Below the limit
25	0.04	0.5	Below the limit
26	0.06	0.5	Below the limit
27	0.05	0.5	Below the limit
28	0.04	0.5	Below the limit
29	0.02	0.5	Below the limit
30	0.02	0.5	Below the limit
31	0.01	0.5	Below the limit
32	0.03	0.5	Below the limit
33	0.04	0.5	Below the limit
34	0.04	0.5	Below the limit
35	0.03	0.5	Below the limit
36	0.05	0.5	Below the limit
37	0.06	0.5	Below the limit
38	0.05	0.5	Below the limit
39	0.08	0.5	Below the limit

Earlier years

20255 of 43 weeks with a count above the limit

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Adult female lice per fish per week, 2025
Week	Adult female lice per fish	Lice limit	Status
1	unknown	0.5	Not reported
2	0.00	0.5	Below the limit
3	0.10	0.5	Below the limit
4	0.00	0.5	Below the limit
5	0.13	0.5	Below the limit
6	0.00	0.5	Below the limit
7	0.13	0.5	Below the limit
8	0.13	0.5	Below the limit
9	0.39	0.5	Below the limit
10	0.46	0.5	Near the limit
11	0.38	0.5	Below the limit
12	0.39	0.5	Below the limit
13	0.46	0.5	Near the limit
14	0.13	0.5	Below the limit
15	0.46	0.5	Near the limit
16	0.43	0.2	Above the limit
17	0.51	0.2	Above the limit
18	0.55	0.2	Above the limit
19	0.55	0.2	Above the limit
20	0.56	0.2	Above the limit
21	0.00	0.2	Below the limit
22	0.20	0.5	Below the limit
23	0.17	0.5	Below the limit
24	0.09	0.5	Below the limit
25	0.19	0.5	Below the limit
26	0.34	0.5	Below the limit
27	0.34	0.5	Below the limit
28	0.18	0.5	Below the limit
29	0.23	0.5	Below the limit
30	0.13	0.5	Below the limit
31	0.15	0.5	Below the limit
32	0.15	0.5	Below the limit
33	0.10	0.5	Below the limit
34	0.06	0.5	Below the limit
35	0.01	0.5	Below the limit
36	0.08	0.5	Below the limit
37	0.11	0.5	Below the limit
38	0.10	0.5	Below the limit
39	0.17	0.5	Below the limit
40	0.09	0.5	Below the limit
41	0.09	0.5	Below the limit
42	0.06	0.5	Below the limit
43	0.15	0.5	Below the limit
44	0.35	0.5	Below the limit
45	unknown	0.5	Not reported
46	unknown	0.5	Not reported
47	unknown	0.5	Not reported
48	unknown	0.5	Not reported
49	unknown	0.5	Not reported
50	unknown	0.5	Not reported
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

20246 of 41 weeks with a count above the limit

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Adult female lice per fish per week, 2024
Week	Adult female lice per fish	Lice limit	Status
1	unknown	0.5	Not reported
2	unknown	0.5	Not reported
3	0.07	0.5	Below the limit
4	0.20	0.5	Below the limit
5	0.10	0.5	Below the limit
6	0.00	0.5	Below the limit
7	0.00	0.5	Below the limit
8	0.10	0.5	Below the limit
9	0.00	0.5	Below the limit
10	0.05	0.5	Below the limit
11	0.05	0.5	Below the limit
12	0.00	0.5	Below the limit
13	0.00	0.5	Below the limit
14	0.00	0.5	Below the limit
15	0.00	0.5	Below the limit
16	0.05	0.2	Below the limit
17	0.00	0.2	Below the limit
18	0.00	0.2	Below the limit
19	0.00	0.2	Below the limit
20	0.10	0.2	Below the limit
21	0.00	0.2	Below the limit
22	0.00	0.5	Below the limit
23	0.00	0.5	Below the limit
24	0.00	0.5	Below the limit
25	0.00	0.5	Below the limit
26	0.00	0.5	Below the limit
27	0.00	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.00	0.5	Below the limit
30	0.00	0.5	Below the limit
31	0.00	0.5	Below the limit
32	0.00	0.5	Below the limit
33	0.05	0.5	Below the limit
34	0.05	0.5	Below the limit
35	0.07	0.5	Below the limit
36	0.20	0.5	Below the limit
37	0.26	0.5	Below the limit
38	0.52	0.5	Above the limit
39	1.30	0.5	Above the limit
40	1.76	0.5	Above the limit
41	1.66	0.5	Above the limit
42	1.78	0.5	Above the limit
43	4.23	0.5	Above the limit
44	unknown	0.5	Not reported
45	unknown	0.5	Not reported
46	unknown	0.5	Not reported
47	unknown	0.5	Not reported
48	unknown	0.5	Not reported
49	unknown	0.5	Not reported
50	unknown	0.5	Not reported
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

20230 of 4 weeks with a count above the limit (data from week 40)

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Adult female lice per fish per week, 2023
Week	Adult female lice per fish	Lice limit	Status
40	0.25	0.5	Below the limit
41	0.30	0.5	Below the limit
42	0.20	0.5	Below the limit
43	0.45	0.5	Near the limit
44	unknown	0.5	Not reported
45	unknown	0.5	Not reported
46	unknown	0.5	Not reported
47	unknown	0.5	Not reported
48	unknown	0.5	Not reported
49	unknown	0.5	Not reported
50	unknown	0.5	Not reported
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

Treatments

Norwegian Food Safety Authority

Week 21, 2026
Medicinal bathWhole site · Benzocain
Week 21, 2025
Mechanical delousing1 pen
Week 3, 2024
Medicinal bathWhole site · Azamethiphos

Disease

Norwegian Food Safety Authority

No cases in the Food Safety Authority's register of notifiable diseases (since 26 Nov 2024).

Escapes

Directorate of Fisheries

No escapes reported from this site since 2006.

Wellboat visits

6 visits in 2026

Visits are derived by us from the Coastal Administration's AIS positions: a fish carrier stationary within 500 metres of the farm for at least 30 minutes. The AIS archive lags about 17 days. A visit is not proof of infection.

Arrival	Vessel	Previous farm (14 days)	Duration
20 May 2026	Mowi Star	Nystølvågen II	5 h 34 min
18 May 2026	Mowi Star	Guleskjeret	3 h 1 min
12 Jan 2026	Mowi Star	Mjåneset	2 h 32 min
11 Jan 2026	Mowi Star	Mjåneset	7 h 26 min
10 Jan 2026	Mowi Star	Mjåneset	1 h 31 min
09 Jan 2026	Mowi Star	Mjåneset	1 h 1 min

Source: Norwegian Coastal Administration (AIS) · calculated by the Salmon Ledger · updated 01 Oct 2026

Who has reported

The companies that have submitted lice counts for this site, with the first and last week.

Company	From	To
AS Bolaks	Week 40, 2023	Week 39, 2026
Bolaks AS Avd Fiskeoppdrett	Week 30, 2026	Week 32, 2026

Source: Norwegian Food Safety Authority (organisation number on each lice report)

Licences

Site MAB: 210 tonnes

Licence	Type	Capacity	Holder
H FS 0026	Kommersiell / stamfiskSalmon	780 t	AS Bolaks
H FS 0040	Kommersiell / stamfiskSalmon	780 t	AS Bolaks

Source: Directorate of Fisheries, aquaculture register · updated 01 Oct 2026